iOS 6 is now available for everyone to download. Most users are best served updating to iOS 6 through OTA or iTunes, but advanced users can upgrade manually with firmware files. This has several advantages, particularly for those upgrading multiple devices in a household or institution, or for those updating from older versions of iOS.
The following firmware links are hosted directly by Apple, using IPSW files requires iTunes. You will want to have the latest version of iTunes installed before attempting a direct firmware update with IPSW.
- iPhone 5 GSM
- iPhone 5 CDMA
- iPhone 4S
- iPhone 4 GSM
- iPhone 4 CDMA
- iPhone 4 (3,2)
- iPhone 3GS
- iPad 3 LTE GSM
- iPad 3 LTE CDMA
- iPad 3 Wi-Fi
- iPad 2 3G GSM
- iPad 2 3G CDMA
- iPad 2 Wi-Fi
- iPad 2 (2,4)
- iPod touch 4th gen
- iPod touch 5th gen
Regardless of how you decide to upgrade to iOS 6, just remember to back up first. The likelihood of something going wrong is slim but it’s better safe than sorry.
via http://osxdaily.com/2012/09/19/ios-6-ipsw-direct-download-links/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+osxdaily+%28OS+X+Daily%29
